1. They started to teach her children to learn E 10 years ago.

hoặc: They started teaching her children to learn E 10 years ago.

*Cấu trúc: S + began/started + to V/ V_ing + thời gian + ago.

2. We used to go to Cua Lo with his family.

*Cấu trúc used to (diễn tả 1 hành động từng làm trong quá khứ và hiện tại KHÔNG làm nữa): S + used to + V(nguyên mẫu)

3. The boys said that they would be ready to take part in the English speaking competition the next day.

*Cấu trúc câu Tường thuật: S + said (+ that) + S + V(lùi thì)

4. It was known that he is the best student.

*Cấu trúc câu bị động không ngôi: It + tobe + V(ed/cột 3) + that + S + V

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#Chúc cậu học tốt nho <33

1. They started teaching her children to learn English 10 years ago.

→ start + V_ing = bắt đầu làm gì

2. We used to go to Cua Lo with his family when we lived Vinh.

→ used to + V = đã từng làm gì

3. The boy said that they would be ready to take part in the English speaking competition the following day.

→ Câu tường thuật tương lai: S + said/told... + S + would/could/... + V

→ tomorrow chuyển thành the following day/the next day

4. It was known that he is the best student.

→ Đề có knew → thì quá khứ đơn.

→ Câu bị động kép: It + was/were + V3/ed + that + clause